Knowledge Base

Does Plesk support RHEL9/AlmaLinux 9?

Support for RHEL 9 and Almalinux 9 is available starting from Plesk Obsidian 18.0.48.

Known limitations:

PHP 7.1, 7.2 and 7.3 are currently cannot be installed via Plesk Installer.

Note: Unsupported PHP handlers can be added to Plesk manually at your own will and risk.
Watchdog is not available.
Mailman is currently not available.

Mail forwarding can be used as an alternative.
NetworkManager is currently not supported, but is planned to be introduced in upcoming versions. Implementation will be announced in the Plesk Change Log.
Qmail is not available due to issues with xinetd dependencies.
Webalizer is not available because it is not present in the vendor's repositories.